Jeremy Corbyn wins an overall majority

This would mark an extraordinary turnaround and leave the pollsters and pundits looking for new employment. In this scenario the Labour leader would be free to implement his ambitious agenda of nationalisation, additional investment and anti-austerity measures. The markets would be stunned but could be reassured by the prospect of a softer Brexit. The EU has already signalled it could delay Brexit talks to accommodate the change in governing party. For the Conservatives it would be a disaster that would plunge the party into a bitter and potentially divisive leadership contest.